Small intestine cancer natural history, complications, and prognosis

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]Associate Editor(s)-in-Chief: Parminder Dhingra, M.D. [2]

Prognosis

The overall 5-year survival rate for resectable adenocarcinoma is only 20%. The 5-year survival rate for resectable leiomyosarcoma, the most common primary sarcoma of the small intestine, is approximately 50%.

The prognosis of small intestine cancer depends on the following:

• Whether or not the tumor can be removed by surgery
• The stage of the cancer, the size of the tumor, whether the cancer has spread outside the small intestine
• The patient’s general health
• Whether the cancer has just been diagnosed or has recurred